add a spritesheet component

1 files changed, 48 insertions, 0 deletions

diff --git a/kennel/engine/components/sprite_sheet.py b/kennel/engine/components/sprite_sheet.py
new file mode 100644
index 0000000..5730085
--- /dev/null
+++ b/kennel/engine/components/sprite_sheet.py
@@ -0,0 +1,48 @@
+from .component import Component, ComponentType
+
+
+class SpriteSpec:
+    def __init__(
+        self,
+        ms_per_frame: int,
+        top_x: int,
+        top_y: int,
+        end_x: int,
+        end_y: int,
+        frames: int,
+    ):
+        self.ms_per_frame = ms_per_frame
+        self.frames = frames
+        self.top_x = top_x
+        self.top_y = top_y
+        self.end_x = end_x
+        self.end_y = end_y
+
+
+class SpriteSheet(Component):
+    def __init__(
+        self,
+        source: str,
+        state_to_spritespec: dict[str, SpriteSpec],
+        initial_state: str,
+    ):
+        super().__init__(ComponentType.SPRITESHEET)
+        self.source = source
+        self.state_to_spritespec = state_to_spritespec
+
+        # these are only really used for client initialization
+        self.initial_state = initial_state
+        self.current_frame = 0
+        self.last_update = 0
+
+    def __repr__(self) -> str:
+        return f"SpriteSheet(source={self.source}, state_to_spritespec={self.state_to_spritespec}, initial_state={self.initial_state}, current_frame={self.current_frame}, last_update={self.last_update})"
+
+    def to_dict(self) -> dict:
+        return {
+            "source": self.source,
+            "current_frame": self.current_frame,
+            "last_update": self.last_update,
+            "current_state": self.initial_state,
+            "state_to_spritespec": self.state_to_spritespec,
+        }